testnet-v1.82.1 mainnet-v1.81.1
MystenLabs/suiOct 13, 2026 → Oct 7, 20260 days between releases
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Analyzing what changed between testnet-v1.82.1 and mainnet-v1.81.1. This page updates automatically — usually within a minute.
The Two Releases
testnet-v1.82.1
Oct 13, 2026· 8 days ago
This release updates the protocol to version 139 with storage fee reductions and introduces ML-DSA-65 signature support across the Rust SDK, gRPC, and GraphQL. It also deprecates the legacy JSON-RPC service from full nodes and adds new configuration options for ledger connections.
Full release notesmainnet-v1.81.1
Oct 7, 2026· 14 days ago
This release updates the Sui Protocol to version 138, introducing gas model changes, new memory invariant checks for PTBs, and modifications to transaction dependency reporting. It also adds new observability metrics for node operators and enhances the GraphQL API and CLI tools.
Full release notes